package mianxiangduixiang;

public class Student extends Person{
	   private String className;
	   
	   public Student(String className) {
		super();
		this.className = className;
	}
	   

	public Student() {
		super();
		
	}


	public Student(int id, String name, int age,String className) {
		super(id, name, age);
		
	}


	public void study() {
	     
	   }
	}